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Compositor: Fix constant folded operations not being rendered 

Many operations do not expect single element buffers as output.
Use full buffers with a single pixel instead.
This commit is contained in:
Manuel Castilla 2021-07-07 00:14:11 +02:00
parent 1657fa039d
commit 6ac3a10619
1 changed files with 6 additions and 4 deletions
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10
source/blender/compositor/intern/COM_ConstantFolder.cc
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@ -92,13 +92,15 @@ static ConstantOperation *create_constant_operation(DataType data_type, const fl
ConstantOperation *ConstantFolder::fold_operation(NodeOperation *operation)
{
const DataType data_type = operation->getOutputSocket()->getDataType();
MemoryBuffer *fold_buf = create_constant_buffer(data_type);
MemoryBuffer fold_buf(data_type, first_elem_area_);
Vector<MemoryBuffer *> input_bufs = get_constant_input_buffers(operation);
operation->render(fold_buf, {first_elem_area_}, input_bufs);
operation->render(&fold_buf, {first_elem_area_}, input_bufs);
ConstantOperation *constant_op = create_constant_operation(data_type, fold_buf->getBuffer());
MemoryBuffer *constant_buf = create_constant_buffer(data_type);
constant_buf->copy_from(&fold_buf, first_elem_area_);
ConstantOperation *constant_op = create_constant_operation(data_type, constant_buf->getBuffer());
operations_builder_.replace_operation_with_constant(operation, constant_op);
constant_buffers_.add_new(constant_op, fold_buf);
constant_buffers_.add_new(constant_op, constant_buf);
return constant_op;
}